Winding mechanism



R. McC. JOHNSTONE.

WINDING MECHANISM.

APPLICATION FILED NOV. II, 1920- Patented Oct. 31, 1922 2 SHEETS-SHEE1 l.

M/uen toz M J/Q @51 abbozmav R. McC. JOHNSTONE.

wmume MECHANISM. APPLICATION FILED NOV H. I920- Patented 0011.31, 1922.

2 SHEETS-SHEET 2.

atented- Get. 31,; 1922.

UNITED STATES PATENT onuce.

ROBERT JOHNSTONE, OF ROSELLE PARK, NEW JERSEY, ASSIGN'OB T CAMERON MACHINE GOMYANY, OI BROOKLYN, NEW YORK, A CORPORATION OF NEW YORK.

wnmme MECHANISM.

Application and November 11, 1920. sen/um. 42am.

To all whom it concem:

Be it known that 1, ROBERT MoC. JOHN- STONE, a citizen of the United States, and a resident of Roselle Park, in the county of Union and State of New Jersey, have invented certain new and useful Improve ments in Winding Mechanism, of which the following is a specification.

i This invention relates generally to windo ing mechanim, and has more particularly reference to means for controlling a roller such as the top pressure roller forming part of the surface rewinding means in a slitting and rewinding machine.

In devices of this character, it has heretofore been customary to provide pinions on the framework and to mount racks for en gagemcnt therewith on a vertically movable carriage carrying the top pressure roller. When it was desired to manually lift or ,lower the carriage mounting the top pres-- sure roller, rotation of the pinions in the proper direction would effect the desired result. It is not, however, always desirable to lift and lower heavy racks, if for no other reason than because, in the arrangement heretoforeemplo ed, it is difiicult to maintain a 'ven weig t to the top pressure rollerthrong out the winding 0 eration with the so result that coils of materia are wound under "different degrees .of pressure at different times during the rewmding operation. A reversal of the usual'arrangement is therefore desirable at times. It will be understood, however, that if the raclrs are stationary on the frames and if the pinions are mounted on'the movable carriage, the rise and fall of said carriage will move any 0 crating handle that may be attached to t e 4e inions' up or down. This 18 inconvenient $0 the operator because at times the handle may be so high up as to be not readily accessible and also ecause the operator prefers to have a definite and unchanged position for an operating handle so that he may instinctively, as it were, reach out for the right place. In addition, the operating ban-- dle would change its position vertically during operation which would tend to confuse so the operator. r

The main object and feature. of the invention is to so arrange an operating handle for actuating pinions on a movable carriage that it will always occupy substantially the same otall position, regardless of the vertical position of the inions and carriage, and it consists of the eatures of construction, combination of parts and arrangement of elements hereinafter described, a preferred form of which is disclosed in the accompanying drawings,

in which- Fig. 1 is .a front elevation, partly broken away, of a winding machine embodying the invention.

Fig. 2 is a side elevation of the parts shown in F 1g. 1.

Fig. 3 is a sectional view on the plane of line 3--3 of Fig. 2.

Fig. 4 is a sectional view on the plane of line 4--4 of Fig. 2.

The form of Winding mechanism herein disclosed consists of front and rear rewinding drums 1 and 2, a rewind shaft 3 and a top pressure roller 4. It will be understood that the rewind shaft is displaced upwardlyv as the rewound material accumulates and is. to that effect provided with reduced portions 5 that extend into slots in slidin member 6. Top pressure roller 4 is likewise dis. placeable vertically by the rise of the rewound material and is mounted in a carriage 7. sliding on the vertical guides 8. Slidln members 6 are carried by carriage 7 an slide in guide members 9 on the framework. Carriage 7 is provided with tie rod 10 and pinion shaft 11 extending transversely of the machine and has extensions 12 that engage the rear face of guides 8. 13 indicate pinions mounted on the pinion shaft to engage upright raclrs 14 on the front face of guides 8. It is customary to'drive the top pressure roller and this is accom lished, 1n the present instance, b means 0 slip fr1c tion drive member 15 imparting rotation to splined shaft 16 and bevel gears 17. The amount of pressure of thev Itop pressure roller is regulated by weights 18 carried by flexible connections 19 that pass over sheaves 20 and are attached to the vertically movable carriage. Mounted on inion shaft. 11 is a 10. spiral gear 21 and mes in with it is another spiral gear 22 carrie -.by telescoping shaft 23 arranged at right angles to s .a 11. Said telescoping shaft is pivotally supported on the framework at 24 and also pivsupported by means of bearing 25 loose y surrounding pinion shaft 11. It will be understood that as the diameter of the rewound material increases, carriage 7 is moved upward, gears 22 and 23 remaining in mesh and the telescoping shaft lengthening and swinging around its pivots. This will cause rotatlon of telescoping shaft in one direction and pawl 26 will click over ratchet 27. When the rewoundmaterial is removed from the machine, backward rotation of shaft 23 and lowerin of carriage 7 will be prevented by the ratcfiet and pawl. When it is desired to lower carriage 7 manually, pawl 26 may be disengaged from ratchet 27 and shaft 23 may then be turned to lower carriage 7 either by actuating handwheel 28 or by gravity. So likewise carriage 7 may be raised manually by turning handwheel 28.

Pawl 26 is pivoted. at 29 and spring 30 normally urges it into engagement with ratchet 27. he action of the spring may be overcome by manipulating handle 31.

To prevent binding of the parts and to facilitate smoothness of action, the'telescoping shaft is constructed as follows: The inner shaft member is provided with grooves 32 and the outer sleeve member is provided with rotatable rollers 33 that travel in grooves 32 of the inner shaft;- If desired a similar means may be usedbetween shaft 16 and bevel gear 17.

I claim:

1. In winding mechanism, upright guides, a carriage vertically movable on said guides, upright racks on said guides, a transversely extending pinion shaft on said carriage, pinions on said shaft to engage the racks, a telescoping actuating shaft at right angles to the pinion shaft, transmission means between the two shafts, and means for supporting the actuating shaft on.the framework and' on the movable carriage.

2. In winding mechanism, upright guides, a carriage vertically movable on said guides, upright racks on said guides, a transversely extending pinion shaft on said carriage, pinions on said shaft to engage the racks, a telescoping actuating shaft at right. angles to the pinlon shaft, transmission means between the two shafts, means for supportin the actuating shaft on the framework an on the movable carriage, and a ratchet and pawl mechanism to admit of rotation of the telescoping shaft in one direction and to prevent its rotation in the other direction.

3. In winding mechanism, upright guides, a carriage vertically movable on said guides, upright racks on said "guides, a transversely extending pinion shaft on said carriage,

pinions on said shaft to engage the racks, a

telescoping actuating shaft at right angles to the pinion shaft, transmission means between the two shafts and means for pivotally supporting the actuating shaft on the framework and on the movable carriage.

4. In a winding mechanism, a vertically movable carriage, a shaft carried thereby, a two part telescopin shaft at right angles to the first shaft, rol ers carried by the outer member of the telescoping shaft engaging slidingly with the inner member of the telescoping shaft and rotating therewith, and inter-meshin gears on the two shafts.

Signed at ew York city in the borough of .Brooklyn, in the county of Kin and State of New York, this 3 day of ovember 1920.

ROBERT McC. J OHNSTON E. 

